@@ -, +, @@ previous checkouts --- Koha/Patron.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/Koha/Patron.pm +++ a/Koha/Patron.pm @@ -551,7 +551,7 @@ sub do_check_for_previous_checkout { my @item_nos; my $biblio = Koha::Biblios->find( $item->{biblionumber} ); - if ( $biblio->serial ) { + if ( $biblio->is_serial ) { push @item_nos, $item->{itemnumber}; } else { # Get all itemnumbers for given bibliographic record. --